Programming in Javascript, can't find a quick way of jumping to a function/method

I hope I've got the right forum here. I am using the IDEA community edition (free) IDE.

I realise this IDE is probably not primarily designed with Javascript programming in mind... nevertheless I'm trying to see whether I can use the same IDE for everything I do, which would be nice.

So the slight difficulty I have at the moment is this: say I have a JS file with maybe 700 lines, which perhaps defines a JS class (not necessarily using the "class" word, but rather like this:

MyClass = function( param ){ // constructor
...

MyClass.prototype.init = async function(){
...

... in the "Project" view one can see the directory structure... so my .js file containing this class can be seen ... but the individual methods/functions comprising this class definition can't been seen.
This makes it difficult to jump to a particular class method for the purposes of editing. I find I'm constantly having to scroll up and down, or search on the method name (if I can remember it).

Is there any way to display, in a left-hand view, a list of the functions/methods defined in a given .js file, using either the community edition or the professional edition?